html,
body {
  height: 100%;
  overflow: auto;
}

body {
  background-color: #23262e;
}
#logo {
  margin: 20px 0 0 240px;
}
.box {
  width: 400px;
  height: 310px;
  background-color: #393d49;
  box-shadow: 5px 5px 5px 5px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.box h1 {
  color: #fff;
  text-align: center;
  line-height: 60px;
  font-size: 26px;
}
form {
  margin: 0 30px;
}
.layui-form-item {
  position: relative;
}
.layui-form-item a {
  float: right;
  color: #fff;
}
.layui-icon {
  position: absolute;
  top: 8px;
  left: 10px;
}
.layui-input {
  padding-left: 30px;
}
.register {
  display: none;
}
